Doctor profile · Federal record

Dr. Kelvin Chen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Rosemead, CA

  • NPI 1225387137
  • Accepts Medicare
  • MIPS 71.9 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2421 San Gabriel Blvd
Rosemead, CA 917703653
(626) 741-5411
fax (626) 741-5412
Mailing address
400 W le Roy Ave
Arcadia, CA 910077305

Credentials & registration

NPPES · NUCC
NPI registered
September 2012 — 14 yrs on file
Profile last updated
May 1, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A 129170

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225387137. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
562
Distinct HCPCS
4
Medicare allowed
$97,384
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 480 456 $182
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 40 40 $137
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 24 16 $123
99497 Advance care planning, first 30 minutes 18 18 $80

In context: peer comparison

Among 7 peers in Rosemead Internal Medicine Physician, average services per provider: 291. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
371
Patients
45
Total drug cost
$37,448
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 56 19 $1,060
Metformin Hcl Generic 44 0 $853
Losartan Potassium Generic 41 12 $1,328
Allopurinol Generic 30 0 $514
Tamsulosin Hcl Generic 30 0 $820
Clopidogrel (Clopidogrel Bisulfate) Brand 25 0 $624
Meloxicam Generic 25 14 $147
Tradjenta (Linagliptin) Brand 20 0 $20,311
Gabapentin Generic 15 0 $591
Metoprolol Succinate Generic 15 0 $409

Frequently asked questions

Auto-generated from federal data
What is Dr. Kelvin Chen's medical specialty?
Dr. Kelvin Chen practices Internal Medicine Physician in Rosemead, CA.
Where does Dr. Kelvin Chen practice?
Dr. Kelvin Chen practices at 2421 San Gabriel Blvd, Rosemead, CA 917703653. Office phone: 6267415411.
What is Dr. Kelvin Chen's NPI?
Dr. Kelvin Chen's National Provider Identifier (NPI) is 1225387137, issued by NPPES.
Does Dr. Kelvin Chen accept Medicare assignment?
Yes. Dr. Kelvin Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kelvin Chen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.